3
3
ET9500 NETWORK WIRE CONNECTIONS
3.1 ET9500 Ethernet Connection to Network (For ET90000 and BEMS that uses Ethernet)
•
Connect the ET9500 using a standard CAT5 Ethernet cable via a hub, switch or router
to the connector on the bottom of ET9500 (see Figure 6).
NOTE:
•
The ET90000's MUST be installed and communicating on an Ethernet network.
All connections need to be on the same subnet. (Section 4.1 & 4.3)
•
3.2 ET9500 RS485 Connection to Network (For BEMS that uses RS485)
•
Connect the ET9500 to the RS-485 network wires at the 3-pin RS-485 (Field) connector
on the top of ET9500 (see Figure 7).
o
Connect RS-485+ and RS-485 – to Field connector.
o
The RS-485 GND (Pin 3) is not typically connected.
BMS RS-485
Wiring
+
-
GND
(Bottom View)
Figure 6: Ethernet Connections
ProtoNode
Pin #
Assignment
Pin 1
RS-485 +
Pin 2
RS-485 -
Pin 3
RS-485 GND
Figure 7: Connection from ET9500 to RS-485 Field Network
Pin
— 9 —
ET9500 NETWORK WIRE CONNECTIONS
Ethernet Port
+
-
G